http://en.wikipedia.org/wiki/Alfred_Wegener
http://www.ucmp.berkeley.edu/history/wegener.html
_ Deutsche Gronland-Expedition Alfred Wegener 1930
http://www.youtube.com/watch?v=O1OOueEppcs
_ Alfred Wegener (biografia - parte 1/2)
http://www.youtube.com/watch?v=QHq6EKCn10Y
